Double ended stamp-shaped pen



FIG. 1 is a perspective view of the double ended stamp-shaped pen;

FIG. 2 is a front view thereof;

FIG. 3 is a right side view thereof, the left side view being a mirror image thereof;

FIG. 4 is a top plan view thereof;

FIG. 5 is a bottom view thereof; and,

FIG. 6 is a perspective view of the double ended stamp-shaped pen with its cap removed therefrom. 

The ornamental design for a double ended stamp-shaped pen, as shown and described. 